An older student who in forces the rules of the building on freshmen and makes sure we don't burn down the building, write on the walls, get pregnant kill each other turn the floor into a satanic cult sex place, preform unauthorized exorcisms, or playing drinking games.

Ca mike: John how many times do I have to write you up for performing unauthorized exorcisms on Sam.
John: but it's authorized this time see
Ca mike: oh ok continue.